/*
 * This file is part of Apparat.
 *
 * Apparat is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Apparat is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Apparat. If not, see <http://www.gnu.org/licenses/>.
 *
 * Copyright (C) 2009 Joa Ebert
 * http://www.joa-ebert.com/
 *
 */
package apparat.swf

import apparat.actors.Actor
import collection.GenSeq

/**
 * @author Joa Ebert
 */
trait SwfTagMapping {
	def tags: List[SwfTag]
	def tags_=(value: List[SwfTag])

	def mapTags(f: PartialFunction[SwfTag, SwfTag]) {
		val seq: GenSeq[SwfTag] =
			if(!Actor.threadsEnabled) {
				tags
			} else {
				tags.par
			}
		
		tags =
				(seq map {
					case x if f isDefinedAt x => f(x)
					case y => y
				}).seq.toList
	}

	def foreachTag(f: PartialFunction[SwfTag, Unit]) {
		if(!Actor.threadsEnabled) {
			foreachTagSync(f)
		} else {
			tags.par.filter(f.isDefinedAt) foreach { f }
		}
	}

	def foreachTagSync(f: PartialFunction[SwfTag, Unit]) {
		for(tag <- tags if f.isDefinedAt(tag)) {
			f(tag)
		}
	}
}